hpcc-systems/HPCC-Platform — pull request #6788 by ghalliday (2014-12-19 15:59:20+00:00)
Title: HPCC-12739 Add an option to not return memory back to OS

* Retaining the committed pages avoids them being cleared when
they are required the next time.

Signed-off-by: Gavin Halliday